According to the information provided, Lipitor (atorvastatin) is a medication used to treat high cholesterol levels. One of its potential side effects is muscle flexibility issues, including muscle pain and weakness [1]. To alleviate these symptoms, exercise can be beneficial, but it is crucial to approach it correctly.

First, it is essential to consult with a healthcare professional before starting any exercise program while taking Lipitor [2]. They can provide guidance on appropriate exercises and intensity levels to minimize the risk of injury.

Aerobic exercises, such as walking, cycling, or swimming, can help improve overall fitness and cardiovascular health without putting undue stress on the muscles [2]. These low-impact activities can help alleviate muscle stiffness and improve flexibility over time.

Strength training exercises can also be beneficial, but it is crucial to start with light weights and gradually increase the intensity [3]. This approach can help build muscle strength and flexibility without causing further muscle damage or strain.

Yoga and stretching exercises can also be helpful in improving flexibility and reducing muscle tension [3]. These exercises can help alleviate muscle stiffness and improve range of motion, reducing the risk of injury during other activities.

In summary, to alleviate Lipitor-induced flexibility issues through exercise, it is essential to consult with a healthcare professional, engage in low-impact aerobic exercises, start with light strength training, and incorporate yoga and stretching exercises into the routine.

Sources:
[1] <https://www.drugpatentwatch.com/p/tradename/LIPITOR>
[2] <https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3463373/>
[3] <https://academic.oup.com/jcem/article/108/7/e487/7009475>